4. A: gin & tonic? (you, try)
B: Yes, gin & tonic . (before)
A: Have you ever tried gin & tonic? (you, try)
B: Yes, I have tried gin & tonic before. (before)
A: Áø Åä´Ð ¸¶¼Å º» Àû ÀÖ¾î¿ä?
B: ³×, Àü¿¡ ¸¶¼Å º» Àû ÀÖ¾î¿ä.